i agree with knowm, i use 8 in inside and have no issues.find a 5 gal bucket,
drill some holes in the bottem,2in sand or small rocks in the bottom.
enjoy
cmorbud Reviewed by cmorbud on . rootbound If i kept plants in smaller pots would they become rootbound and die, or would they stay small and still flower (btw they are outdoors in 8" pots) Rating: 5